code: def update_set() -> None:
      for file_name in covered_lines:
          # difference_update
          uncovered_lines[file_name].difference_update(
              covered_lines[file_name]
          )
  
file_path: pytorch/tools/code_coverage/package/tool/summarize_jsons.py
imports: import json
  import os
  import time
  from typing import Any, Dict, List, Set, Tuple
  from ..util.setting import CompilerType, JSON_FOLDER_BASE_DIR, TestList, TestPlatform, TestStatusType
  from ..util.utils import detect_compiler_type, print_error, print_time, related_to_test_list
  from .parser.coverage_record import CoverageRecord
  from .parser.gcov_coverage_parser import GcovCoverageParser
  from .parser.llvm_coverage_parser import LlvmCoverageParser
  from .print_report import file_oriented_report, html_oriented_report, line_oriented_report
label_desc: Use image node_id 7 for calling a global function with example usage: update_set() without return types